Defined in 1 files as a macro:

• bsd/net/if_var.h, line 257 (as a macro)

Referenced in 7 files:

• bsd/net/if_dummy.c, line 217
• bsd/net/if_faith.c, line 335
• bsd/net/if_gif.c, line 524
• bsd/net/if_loop.c, line 206
• bsd/net/if_stf.c, line 702
• bsd/netinet/ip_input.c, line 935
• bsd/netinet6/ip6_input.c, line 687